Hanssen steps down as CEO, with Serena agreeing to take over temporarily. When Ric is admitted to Holby, Serena and Donna treat the injuries he sustained in prison. Distressed by Ric's situation, Serena investigates what happened the day Elaine Warren died.
Oliver's physiotherapy is cut short when his therapist collapses, triggering his surgical instincts. As he attempts to diagnose her and other patients, Dom, Lofty and Roxanna try to temper his expectations. Oliver starts to wonder if he can still be a doctor.
Jac must locate the rare vinyl she took from Raf's collection before Fletch purchases a replacement. This suspicious behaviour leads Frieda to uncover the true nature of Jac's motivations. Knowing Jac may have feelings for Fletch gives Frieda an opportunity to needle her mentor.
This series is a spin-off from the long running BBC medical drama Casualty. Set in the same hospital as its sister series, this show follows the everyday lives, professional and personal, of the doctors, nurses and patients who find themselves, for various reasons, in the wards of Holby City General Hospital